Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Aceste bellidifera (spines) Description Left: Capitate spine. Right: Finely serrate spine. Both are found in the large and deep anterior ambulacrum.Scale 500 µ. Author Schultz, Heinke JPG file - 60.68 kB - 472 x 669 pixels added on 2009-02-23962 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Click here to return to the thumbnails overview